PDF Accessibility Checker by WebYes

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Find issues that can make your PDFs difficult for people with disabilities to read or use, including missing image descriptions and problems with headings. See affected content highlighted on the page, review issues by severity, and get instructions on how to fix them. The checker also flags what needs human review. Upload PDFs up to 50 MB or paste a public link. Completely free, with no sign-up, no email required, and no files stored. Checks against WCAG 2.1 AA and PDF/UA.

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